<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            width: 100px;
            height: 100px;
            border: 10px solid royalblue;
            margin: 50px;
            /* 拼接顺序和margin与padding一样:直径 */
            border-radius: 10px;
        }
        img{
            border-radius: 30px;
        }
    </style>
</head>
<body>
    <div>

    </div>
    <img src="image/QQ截图20210425162248.png" alt="" >
</body>
</html>